4.4BSD snapshot (revision 8.1); add 1993 to copyright

integrate changes from bind 4.9 (most of them); continue to use address
INADDR_ANY rather than 127.1; convert u_short to u_int16_t as appropriate

has nameser.h; needs sys/param.h for endian.h

resolver interface with named and friends defined in resolve.h

Add include files to get prototype declarations, and fix bugs found.

make dn_skipname, fp_query, hostalias, p_cdname, p_class, p_query,
p_rr, p_time, p_type, putlong and putshort hidden

one more try at getting the buffer end checking right in dn_expand

new copyright notice

Fix gcc warning.

dn_expand required more character than it used; dn_comp did not clean
up correctly when an error occurred leading to further errors; dn_find did
not handle dots in names correctly

install approved copyright notice

note that _getshort used by sendmail

added Berkeley specific header

don't need to skip first dnptr in dn_find, it's already been skipped;
make dn_find static

change dn_skip to dn_skipname with new arg for sanity checking;
make things unsigned so don't need to strip

check for loops in compressed names

change getshort() and getlong() to _getshort() and _getlong()

preserve case

added LIBC_SCCS condition for sccs ids

Fix for dn_find core dumping

make up out minds: second arg to dn_expand is ptr, is beyond msg

Pass msglen to dn_expand

performance improvements

Freeze for November 1 network distribution

return names in lower case, fix some lint problems